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Subject: svn commit: r431355 -
 /db/ojb/branches/OJB_1_0_RELEASE/src/test/org/apache/ojb/broker/IdentityPerformanceTest.java
Date: Mon, 14 Aug 2006 14:41:22 -0000
To: ojb-commits@db.apache.org
From: arminw@apache.org
Message-Id: <20060814144122.5D5301A981A@eris.apache.org>

Author: arminw
Date: Mon Aug 14 07:41:21 2006
New Revision: 431355

URL: http://svn.apache.org/viewvc?rev=431355&view=rev
Log:
improve test

Modified:
    db/ojb/branches/OJB_1_0_RELEASE/src/test/org/apache/ojb/broker/IdentityPerformanceTest.java

Modified: db/ojb/branches/OJB_1_0_RELEASE/src/test/org/apache/ojb/broker/IdentityPerformanceTest.java
URL: http://svn.apache.org/viewvc/db/ojb/branches/OJB_1_0_RELEASE/src/test/org/apache/ojb/broker/IdentityPerformanceTest.java?rev=431355&r1=431354&r2=431355&view=diff
==============================================================================
--- db/ojb/branches/OJB_1_0_RELEASE/src/test/org/apache/ojb/broker/IdentityPerformanceTest.java (original)
+++ db/ojb/branches/OJB_1_0_RELEASE/src/test/org/apache/ojb/broker/IdentityPerformanceTest.java Mon Aug 14 07:41:21 2006
@@ -1,74 +1,110 @@
 package org.apache.ojb.broker;
 
-import junit.framework.TestCase;
-
 import java.util.Map;
 import java.util.HashMap;
 
 import org.apache.ojb.broker.metadata.DescriptorRepository;
-import org.apache.ojb.broker.metadata.MetadataManager;
+import org.apache.ojb.junit.PBTestCase;
 
 /**
  * @author Matthew.Baird
  *
- * To change this generated comment edit the template variable "typecomment":
- * Window>Preferences>Java>Templates.
- * To enable and disable the creation of type comments go to
- * Window>Preferences>Java>Code Generation.
+ *         To change this generated comment edit the template variable "typecomment":
+ *         Window>Preferences>Java>Templates.
+ *         To enable and disable the creation of type comments go to
+ *         Window>Preferences>Java>Code Generation.
  */
-public class IdentityPerformanceTest extends TestCase
+public class IdentityPerformanceTest extends PBTestCase
 {
-    PersistenceBroker broker;
-    private static Class CLASS = IdentityPerformanceTest.class;
-    private static final int ITERATIONS = 10000;
+    private static final int ITERATIONS = 300000;
 
     public static void main(String[] args)
     {
-        String[] arr = {CLASS.getName()};
+        String[] arr = {IdentityPerformanceTest.class.getName()};
         junit.textui.TestRunner.main(arr);
     }
 
-    public void testIdentityIterations()
+    public void testIdentityHandlingPerformance() throws Exception
+    {
+        doDescriptorRepositoryGetDescriptorForIterations();
+        System.gc();
+        System.gc();
+        //Thread.sleep(1000);
+        long oidCreation = doIdentityIterations();
+        System.gc();
+        System.gc();
+        //Thread.sleep(1000);
+        long mapCreation = doMapIterations();
+        System.gc();
+        System.gc();
+
+        /*
+        This is a critical test, because we do a performance comparison
+        of class instantion time which strongly depends on used hardware
+        and JDK version.
+        */
+//        String msg = "\n  This is a critical test, because we do a performance comparison\n" +
+//                "  of class instantiation time which strongly depends on used hardware\n" +
+//                "  and JDK version.\n" +
+//                "  But it seems that creation of Identity objects is a bit slow.\n" +
+//                "  Please check source code handling Identity object creation.";
+//        boolean ratio = (oidCreation / mapCreation) > 10;
+//        System.out.println("Ratio IdentityCreation/MapCreation <==> " + oidCreation / mapCreation + ":1");
+//        assertFalse(msg, ratio);
+    }
+
+    public long doIdentityIterations()
     {
         Article art = new Article();
         art.setArticleName("OJB O/R mapping power");
         ProductGroup pg = new ProductGroup();
         pg.setName("Software");
         art.setProductGroup(pg);
+        broker.beginTransaction();
+        broker.store(art);
+        broker.commitTransaction();
+
         // prime the pump.
-        Identity artOID = new Identity(art,broker);
+        broker.serviceIdentity().buildIdentity(art);
         long start = System.currentTimeMillis();
-        for (int i = 0; i < ITERATIONS; i++)
+        Identity artOID;
+        for(int i = 0; i < ITERATIONS; i++)
         {
-            artOID = new Identity(art,broker);
+            artOID = broker.serviceIdentity().buildIdentity(art);
+            assertNotNull(artOID);
         }
         long stop = System.currentTimeMillis();
         System.out.println("total time to build " + ITERATIONS + " identities " + (stop - start) + " ms.");
-        System.out.println("time to build one Identity " + ((stop - start) / ITERATIONS) + " ms.");
+        //System.out.println("time to build one Identity " + ((stop - start) / ITERATIONS) + " ms.");
+        return stop - start;
     }
-    public void testMapIterations()
+
+    public long doMapIterations()
     {
         long start = System.currentTimeMillis();
         Map temp;
-
-        for (int i = 0; i < ITERATIONS; i++)
+        for(int i = 0; i < ITERATIONS; i++)
         {
             temp = new HashMap();
+            assertNotNull(temp);
         }
         long stop = System.currentTimeMillis();
         System.out.println("total time to build " + ITERATIONS + " HashMaps " + (stop - start) + " ms.");
-        System.out.println("time to build one HashMaps " + ((stop - start) / ITERATIONS) + " ms.");
+        //System.out.println("time to build one HashMaps " + ((stop - start) / ITERATIONS) + " ms.");
+        return stop - start;
     }
-    public void testDescriptorRepositoryGetDescriptorForIterations()
+
+    public long doDescriptorRepositoryGetDescriptorForIterations()
     {
         long start = System.currentTimeMillis();
-        DescriptorRepository descriptorRepository = MetadataManager.getInstance().getRepository();
-        for (int i = 0; i < ITERATIONS; i++)
+        DescriptorRepository descriptorRepository = broker.getDescriptorRepository();
+        for(int i = 0; i < ITERATIONS; i++)
         {
             descriptorRepository.getDescriptorFor(Article.class);
         }
         long stop = System.currentTimeMillis();
         System.out.println("total time to getDescriptorFor " + ITERATIONS + " times " + (stop - start) + " ms.");
-        System.out.println("time to call one getDescriptorFor " + ((stop - start) / ITERATIONS) + " ms.");
+        //System.out.println("time to call one getDescriptorFor " + ((stop - start) / ITERATIONS) + " ms.");
+        return stop - start;
     }
 }


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